The Chinese embassy denied reports that the boat belonged to the bridge contractor.
The Chinese company said there was a detailed seabed cleaning plan.
"Today you have made our impossible dream a reality," President Yameen said at last night's commencement ceremony, expressing "profound gratitude" to Chinese President Xi Jinping.
The CCCC Second Harbour Engineering company was sanctioned in 2009 and barred from engaging in any road and bridge projects financed by the World Bank Group...
